| primitive(adjective, cause, violent, important, head) |
| primeval(adjective, violent, head, beginning, vicious) |
| aboriginal(adjective, cause, violent, head, beginning) |
| original(adjective, cause, start, extraordinary, superior) |
| primal(adjective, beginning, primary, primeval, earliest) |
| early(adjective, head, beginning, last, original) |
| first(adjective, order, start, violent, important) |
| antediluvian(adjective, original, old, venerable, outdated) |
| old(adjective, simple, beginning, original, old) |
| ancient(adjective, old, past) |
| prehistoric(adjective, before, oldness, earliest) |
| primary(adjective, cause, start, violent, important) |
| prime(adjective, start, important, head, significant) |
| pristine(adjective, violent, head, beginning, vicious) |
| basic(adjective, important, head, significant, beginning) |
| earliest(adjective, start, simple, original, basic) |
| embryonic(adjective, cause, beginning, first, young) |
| fundamental(adjective, violent, important, head, beginning) |
| incipient(adjective, head, beginning, opening, original) |
| beginning(noun, adjective, head, beginning, original) |